Add UUID to events, based on Segment's messageId

PostHog · Apr 29, 2024 · fc880d7 · fc880d7
1 parent 325e50a
commit fc880d7
Show file tree

Hide file tree

Showing 5 changed files with 338 additions and 351 deletions.
diff --git a/index.js b/index.js
@@ -45,6 +45,9 @@ async function onTrack(event, settings) {
     const endpoint = new URL(`${baseUrl}/capture/`)
     endpoint.searchParams.set('ts', event.timestamp)
 
+    const namespace = uuidv5.uuidv5('null', 'PostHog', true)
+    const uuid = uuidv5.uuidv5(namespace, event.messageId)
+
     if (event.properties && event.properties.url) {
         event.properties['$current_url'] = event.properties.url
         delete event.properties.url
@@ -67,6 +70,7 @@ async function onTrack(event, settings) {
 
     const res = await fetch(endpoint, {
         body: JSON.stringify({
+            uuid,
             timestamp: event.timestamp,
             event: event.event,
             api_key: settings.apiKey,

diff --git a/package.json b/package.json
@@ -11,6 +11,7 @@
   "license": "MIT",
   "devDependencies": {
     "jest": "^29.5.0",
-    "lodash": "^4.17.21"
+    "lodash": "^4.17.21",
+    "uuidv5": "^1.0.0"
   }
-}
+}